Oil-burning apparatus.



W. G. H. NOBLE.

OIL BURNING APPARATUS.

APPLICATION FILED JUNE 17, 1911 1,029,8 1 8, Patented June 18, 1912.

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WILLIAM C. H. NOBLE, OF LOS ANGELES, CALIFORNIA.

OIL-BURNING APPARATUS.

Specification of Letters Patent.

Patented June 18, 1912.

Application filed June 17, 1911.' Serial no. 633,842.

To all whom it may concern:

, Be it known that 1, WILLIAM C. H. NOBLE, a citizen of the United States, residing atLos Angeles, in the county of Los Angeles and State of California, have invented a new and useful ()il-Burning Apparatus, of which the following is a specification.

This invention relates to oil burners of the outside mixing type, and the main object'of the invention isto providein a burner of this type, 'means for forcibly breaking up the oil and mixing the oil with thelair.

A further object of the invention is to provide a burner of this type which is adapted for use with crude or heavy oils.

Other objects of the inventionwill appear hereinafter.

The accompanying drawings illustrate the invention, and referring theretoFig-,

ure 1 is an elevation of the apparatus. Fig. 2 is a plan of the burner, partly in section on line w m Fig. 3. Fig. 3 is a vertical section on line se -+00 Fig. 2. Fig. 4 is a horizonal section on line m"w Fig. 3. Fig. '5 is a section on line r -m in Fig. 2.

The burner comprises a casing 1 adapted to serve as an air chamber and as a support for the burner parts, said casing having an upwardly converging or conical upper portion 2, said upper portion being provided at its upward end with an'outwa'rd flaring flange 3. A top member 4 extends over the opening within the annular flange 3 and supported on said flange by arms 5 extending outwardly and downwardly from the top member 4 and secured at their lower ends by means of bolts 6. The top member 4 may be formed as a disk having a down turned outwardly flaring flange 7 at its rim the flanges 3 and 7 approaching one another and forming a converging annular outlet or opening 9 for the air and oil, the air and oil being mixed directly at and adjacent to this outlet.

An oil chamber 10 is formed'or provided on the bottom oft-he casing 1,.andan oil supply tube 11 communicates with said chamber 10. Mounted centrally within the casing 1 and chamber 10 is avertical spindle or shaft 12'supported by a ball bearing 13 on the casing 1 and extending downwardly through the chamber 10 said shaft being connected at its lower end to suitable driving means hereinafterset forth, whereby it is rotated at high velocity. channel or passage 14 is formed in said shaft 12 channel 27 formed in the peripheral portion of the rim 21. An annular slot 27' is formed in said rim portion extending outwardly from the annular channel 27 and forming the oil outlet, said outlet facing the annular opening 9 aforesaid. The blades 23 and 24 on the fan-wheel are shaped and placed in such a manner as to drive the air outwardly in the rotation of the fan-wheel, and the lower blades 23 are preferably arranged at somewhat greater radius than the upper blades 24, so that the current of air supplied by the lower blades 23 moves at a somewhat higher velocity thanv the upper current of air. The arms 22 ofthe fanwheel are preferably inclined as shown in Fig. 5, to enable, them to act as fan blades, forcing the air to the upper blades of the fan-wheel.

The burner above described may be inclosed in the combustion chamber of a furnace, one of the walls of such chamber being indicated at 28, said wall having a door 28' for admission of air. Air may be supplied to the air chamber or casing 1, through a pipe 30 connected with the outlet of the blower 31, whose shaft 32 is operated by any suitable motor such as electric motor 33. Said shaft 32'may also be connected by any suitable means such as a flexible shafting 34, to the vertical shaft 12 aforesaid. By means of the blower 31, air is supplied to the casing 1, at suflicient pressure to enable it to be delivered to, and received by the fan blades 23 and 24 at a density such as to enable eflicient operation of the blades and to cause the air to be delivered at the outlet 9, in a more or less compressed condition,'the expansion of this compressed air causing more rapid issue of the air from the burner. In order that the oil may be supplied to this jet of compressed air, it is desirable that the oil should be furnished to the oil distributing channels at a pressure equal to, or above the pressure ofthe air. For this purpose the oil supply tank 36 which is connected to the oil pipe 11 aforesaid, may be by the motor working through the flexible shaft 34, rotates the spindle 12 at high velocity causing the blades 23 and 24 to force the air outwardly from the upper end of the chamber 1 through the annular outlet 9, the air passing upwardly between the arms 22 of the fan-wheel so as to reach the upper blades. The current of air from the lower blades 23 on striking the upwardly flaring flange 3 is deflected upwardly against the upper current of air upon the blades 24, said upper current of air being deflected downwardly by the rim flange 7 so as to im pinge on the lower current of air. The rotation of theshaft 12 also causes. the oil which has been forced into chamber 10 to be driven outwardly through channels 25 to the annularchannel 27 whence it passes in a sheet through the annular outlet 27 this sheet of oil moving at high velocity and entering between the lower and upper currents of air aforesaid, is immediately atomized and mixed with the air, the mixture being formed directly at and adjacentto the out- 40' let 9 and being immediately thereafter burned, so that the principle of combustion is that of an outside mixing burner.

What I claim is: I 1. In an oil burning apparatus, the combination of a casing having a top 'member with a downwardly flaring flange and the side of said casing having an upwardly flaring flange said flanges being separated to.

form anannular out et, a shaft mounted to rot-ate in said casing, a fan-wheel carried by said shaft'and provided with passages having outlets opening at the periphery of the fan wheel, bladeson said fan wheel above and below said openings of the oil passages for forcing air against the upper and lower flanges aforesaid, means for supplying oil to said passages in the fan-wheel, and means for rotating said shaft.

bination of a casing having a top member with a downwardly flaring flange and the side of said casing having an upwardly flaring flange said flanges being separated to form an annular outlet, a shaft mounted to rotate in said casing, a fan-wheel carried by said shaft and comprising a rim portion, arms connecting said rim portion to said shaft, said arms. and rim portion being pro vided with passages having outlets facing the said annular out-let of the casing, blades for forcing air against the upper and lower to said passages in the fan-wheel, and means for rotating said shaft.

3. In an oilburning apparatus, the com-- bination of a casing having a top vmember with a downwardly flaring flange and the side of said casing having an upwardly flaring flange said flanges being separated to form an annular outlet, a shaft mounted to rotate in said casing, a fan-wheel carried by said shaft and comprising a rim portion, arms connecting said rim portion to said shaft, said arms and rim portion being provided with passages having outlets facing the said annular outlet ofthe casing, blades on said fan-wheel above and below said rim for forcing air against the upper and lower flanges aforesaid, means for supplying oil to said passages in the fan-wheel, and means for rotating said shaft, the lower blades of said fan-wheel being at a greater distance from the center of rotationthan the upper blades. v

In testimony whereof, I have hereuntoset my hand at Los Angeles, California, this 9th day of June 1911.

WILLIAM C. H. NOBLE.

In presence of ARTHUR P, KNIGHT,

Gnanrs RUSSELL.

- 2. In an oil burning apparatus, the com-' on said fan-wheel above and below said rim flanges aforesaid, means for supplying oil' 

